Characterization of Iron deficiency in patients with chronic heart failure: A prospective, multicentric, observational study from India oleh Dharmendra Jain, Bhupen N Desai, Rajeev Kumar Rathi, Chandra Shekhar, Prasant Kumar Sahoo, Nitin Burkule, Sitanshu Sekhar Mohanty, Sohan Kumar Sharma, Gursaran Kaur Sidhu, Uttam Kumar Halder, M Jayarajah